10. 
    aurora
    A glow in a planet's ionosphere caused by the interaction between the planet's magnetic field and charged particles from the Sun.
    Found op http://www.solarviews.com/eng/terms.htm
    
    
11. 
    Aurora
    (Latin) dawn; this word is the same as the name of a goddess of the Dawn in Roman mythology.
    Found op http://ablemedia.com/ctcweb/glossary/glossaryi.html
    
    
12. 
    Aurora
    A faint visual phenomenon associated with geomagnetic activity, which occurs mainly in the high-latitude night sky; typical auroras are 100 to 250 km above the ground.
    Found op http://www.encyclo.co.uk/visitor-contributions.php
    
    
13. 
    Aurora
    A colorful, rapidly varying glow in the sky caused by the collision of charged particles in the magnetosphere with atoms in the Earth's upper atmosphere. Auroras are most often observed at high latitudes and are enhanced during geomagnetic storms.
    Found op http://hesperia.gsfc.nasa.gov/sftheory/glossary.htm
    
    
14. 
    Aurora
    [n] - an atmospheric phenomenon consisting of bands of light caused by charged solar particles following the earth`s magnetic lines of force 2. [n] - goddess of the dawn
    Found op http://www.webdictionary.co.uk/definition.php?query=Aurora
    
    
15. 
    Aurora
    'Polar lights' which occur in the Earth's upper atmosphere, caused by particles emitted by the Sun causing gas molecules in Earth's atmosphere to glow. Aurora Borealis are seen above the North Pole, Aurora Australis above the South.
    Found op http://www.delscope.demon.co.uk/astronomy/glossary.htm
    
    
16. 
    Aurora
    aka Northern Lights - The different coloured lights which are visible at night above the Earth's poles.
    Found op http://www.solarspace.co.uk/Glossary.php
    
    
17. 
    Aurora
    A glow in the Earth's ionosphere caused by the interaction between the Earth's magnetic field and charged particles from the Sun (The Solar Wind). It gives rise to the 'Northern Lights', or Aurora Borealis, in the Northern Hemisphere, and the Aurora Australis in the Southern Hemisphere.
    Found op http://www.encyclo.co.uk/visitor-contributions.php
    
    
18. 
    Aurora
    A faint visual phenomenon associated with geomagnetic activity,which occurs mainly in the high-latitude night sky; typical auroras are 100 to 250 kmabove the ground.The name comes from an older one, 'aurora borealis' (Latin for 'northern dawn') given because an aurora near the northern horizon (its ...
    Found op http://www.diracdelta.co.uk/science/source/a/u/aurora/source.html
    
    
19. 
    Aurora
    In Roman mythology, goddess of the dawn (Greek Eos). Preceded by her sons, the fresh morning winds, she would fly or drive a chariot across the sky to announce the approach of Apollo'...
    Found op http://www.encyclo.co.uk/local/20688
    
    
20. 
    Aurora
    Au·ro'ra noun ; plural English Auroras Latin (rarely used) Auroræ [ Latin aurora , for ausosa , akin to Greek ..., ..., dawn, Sanskrit ushas , and English east .] 1. The rising light of the m...
    Found op http://www.encyclo.co.uk/webster/A/147
    
    
21. 
    aurora
    Origin: L. Aurora, for ausosa, akin to Gr, dawn, Skr. Ushas, and E. East. ... 1. The rising light of the morning; the dawn of day; the redness of the sky just before the sun rises. ... 2. The rise, dawn, or beginning. ... 3. The Roman personification of the dawn of day; the goddess of the morning. T...
    Found op http://www.mondofacto.com/facts/dictionary?aurora
    
    
22. 
    Aurora
    noun (Roman mythology) goddess of the dawn; counterpart of Greek Eos
    Found op http://wordnetweb.princeton.edu/perl/webwn?s=Aurora
    
    

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